exclamation when you are pleased or to show off
Boom. I just won our netball match.

I beat you. Boom.

Boom. I win.
von booties69 15. November 2011
BOOM is widely used in the beer pong community for pretty much any reason. It is shouted as loud as possible so that everyone is aware of what just happened and are now compelled to BOOM as well. Can be used in conjuction with LFG
Scenario 1
Mike - "I just smashed some bids tonight"
Chris - "BOOM!!"
Mike - "LFG"

Scenario 2
Crowd - *chanting Iron Wizard*
Pong Ferrigno - *hits cup*
All in attendance - "BOOOOOOOOOOOOOOM!!!!"
von Dime132 24. November 2010
A word used to express satisfaction. or after something that has happened (generally after a good thing). Also if something is done right multiple people will say boom. If Boom is said then sometimes people may copy and say it after.

Can be a random outburst.
And the winner is...SAM!

Sam: "BOOM!"

Luke: "BOOM!"
von seaman27 29. März 2011
Used when one has just won an argument, debate, or other point of conflict. Most effective when the winner gets overexcited, slams their hand on the table and tries to rub it into their opponent.

Hilarity added when the winner is an Irishman in London.

Verb: to boom.
And that, good sir, is boom!
von VaatiKaiba 2. August 2011
adjective used to describe a pretty girl.
"yo guy, that girl is BOOM"
von bacdafukup 30. April 2003
Boom; not the captions you see in the old Batman TV series, nor the song by P.O.D. Boom. But making a statement in something that you have done being extrodinary in saying the word "Boom!" after something has been done.
"I just won a free Big Mac, Boom!"
Or winning a hand at BlackJack "Boom!"
Nothing to do with terrorists and explosions going off. Just expressing yourself in a way other than an emoticon.
This was first seen on FaceBook by entrepreneur 'Mark Hastings', captioning every picture post with the word "Boom!". As we furthermore saw the trend move on to LMFAO in a few of their songs.
von Stinger18 8. Februar 2013
In the context of texting, it is an exclamatory statement used at the end of an insult.
My cats are better than yours!!
von gehenosterreich 1. Januar 2012

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